28342557302 has 32 divisors (see below), whose sum is σ = 44453283840. Its totient is φ = 13536927360.

The previous prime is 28342557263. The next prime is 28342557319. The reversal of 28342557302 is 20375524382.

It is a self number, because there is not a number n which added to its sum of digits gives 28342557302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9173774 + ... + 9176862.

It is an arithmetic number, because the mean of its divisors is an integer number (1389165120).

Almost surely, 2^28342557302 is an apocalyptic number.

28342557302 is a deficient number, since it is larger than the sum of its proper divisors (16110726538).

28342557302 is a wasteful number, since it uses less digits than its factorization.

28342557302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 28342557302 in words is "twenty-eight billion, three hundred forty-two million, five hundred fifty-seven thousand, three hundred two".